1
JJ Putz: 2007 - 5.98 (!)
David Aardsma: 2009 - 2.70
Jonathan Papelbon: 2006-2009 - 5.32, 3.79, 1.86, 5.13
Mariano Rivera: Routinely between 2.53 and 5.26
Brandon League: 2009 - MINUS 1.01 (and his pLI has never been high, which means Toronto never trusted him with high leverage appearances)